He stretched with the team but sat out the rest of practice. This is the first we're hearing of Mack's knee injury and it's possible the team was just giving him a breather ahead of Sunday's opener at Tennessee. We'll see how the reigning Defensive Player of the Year progresses throughout the week. Wed, Sep 6, 2017 07:28:00 PM

Per Schefter, the Raiders couldn't fit a new Mack deal under the cap after extending Derek Carr and RG Gabe Jackson over the past week. Mack is under team control for two more years, and essentially three since the Raiders can franchise tag him in 2019. Nevertheless, it's usually a matter of "the sooner, the better" with these sorts of mega-deals. Coming off another monster season, Mack is headed into his age-26 campaign. Thu, Jun 29, 2017 07:32:00 PM

The Las Vegas Review-Journal reports he has ligament damage. The Raiders' blindside protector since 2014, 34-year-old Penn hasn't missed a game since coming onto the regular season scene in 2007. Even at his advanced age, he remained one of the league's best left tackles in 2017. He is under contract through 2019.